Machine for lining boxes.



E. 0. HILLER & W. A. JOPLIN. 'MAGHINE FOR LINING BOXES.

APPLICATION FILED APR. 6, 1911. 1,037,005.

Patented Aug. 27, 1912.

9 SHEETS-SHEET I.

fnwntore:

E. 0. HILLER & W. A. JOPLIN. MACHINE FOP. LINING BOXES.

' APPLICATION FILED APR.6, 1911. 1,037,005.

Patented Au 27, 1912.

9 SHEETS-SHEET 2.

Zfiirwsses [Iv/Deniers.

E. 0. HILLBR & W. A. JOPLIN. MACHINE FOR LINING BOXES.

APPLICATION FILED APR. 6, 1911. 1,037,005.

9 SHEETS-SHEET 3.

Patented Aug. 27, 1912.

1B. O. HILLER & W. A. JOPLIN.

MACHINE FOR LINING BOXES.

APPLICATION FILED APR. 6, 1911. 1,037,005.,

Patented Aug. 27, 1912.

9 SHEETS-SHEET 4.

E. 0. HILLER & W. A. JOPLIN. MACHINE FOR LINING BOXES.

APPLICATION FILED APR.6, 1911. 1,037,005, Patented Aug. 27, 1912.

9 SHEETS-SHEET 5.

/2 7 /0 TL f /06 E. 0. HILLER & W. A. JUPLIN. MACHINE FOR LINING BOXES.

APPLICATION FILED APR.6, 1911.

1,037,005.. Patented Aug; 27, 1912.

9 SHEETS-SHEET 6.

E. 0. HILLER & W. A. JOPLIN. MACHINE FOR LINING BOXES.

APPLICATION FILED APR. 6, 1911.

1,037,005. Patented Aug. 27, 1912.

9 SHEETS-SHEET 7.

Was-ea: f'zz/eizivrsx E. O. HILLER & W. A. JOPLIN.

MACHINE FOR LINING BOXES.

APPLIGATION FILED APILG, 1911.

1,037,005, Patented Aug. 27, 1912.

9 SHEETS-SHEBT 8.

m W @W E. O. HILLER & W. A. JOPLIN. MACHINE FOR LINING BOXES.

APPLICATION FILED APILG, 1911. 1,037,005.

9 SHEETS-SHEET 9.

Patented Aug. 27, 1912.

nmTEn STATES PATENT OFFICE.

EVERETT o. HILLE or Qu ncy, AND ILLI A. JorLI or LAWRENCE, MASSA- c'HUsETTs, Assrenons o PN unATrc scA E CORPORATION, LIMITED, or QUINCY, MASSACHUSETTS, A CORPORATION or MAINE.

MACHINE FOR LINING BOXES.

"had therein to the'accompanying drawings.

The invention is especially intended for application to machines which are to be used for putting up package goods, so

termed, and-to be used in connection with.

machines for setting up the cartons before the lining is inserted and for then presenting the lined carton forthe package filling mechanism, but the invention is not' intended to be limited to use in connection with the carton setting up mechanism or with the package filling mechanism; neither is it intended to limit the application of the invention to use in lining what are technically termed cartons but it may be employed for lining boxes of any suitable form of construction.

The drawings illustrate a machine especially adapted .for use in connection with a carton closing and filling machine and in the specification the word carton is intended;to broadly include a box of any suitable form.

So far as we are aware in all box lining machines heretofore made, the blanks for the lining have been previously cut and" have been placed in a stack from which they are taken, one by one, to feed tothe lining machine and they are then in some manner delivered to the lining machine.

One object of the present invention is .to cut the blanks from 'a continuous strip, and fold the blanks thus formed and insert them into a box.

So far as we are aware in; all box lining machines heretofore made the lining has simply been folded and inserted into the box without the application of any adhesive to the lapped joints of the lining.

(1c object of the present invention is to lining, to unite together the lap ped V y adhesive so as to form a tight 1 at to the lining.

" other machines heretofore made side.

Specification a Letters Patent. P t t d A 27,191 Application filed April 6, 1911.

Serial No. 619,222. I

in which-the lining-is formed from a fiat sheet folded about a plunger or former block, the sheet which is beneath the plunger is folded up against two sides of the plunger into a U-shape, thus forming two sides of the lining, and then the projecting ends of the horizontal bottom portion of the U are turned up against .the other two "sides of the plunger and then the projecting sides of the previously up-t-urned portions are folded, the result being that a pocket fold is formed inside the lining which is objectionable in that it aifords crevices for the material which is subsequently put into the lined carton. This fault of construction is usuallydue to the fact that the side wings are folded while the plunger about which so that the pocket formedby folding the projecting end portions will come on the outside of the lining instead'of on the in- This we accomplish by folding the side wings while the plunger is at rest.

Another object of the invention is to provide means for transferring a carton from a feed'belt to a position outside of the path of travel of the feed belt to receive the liningand then to transfer the lined box to a discharge belt which may either be a continuation of the feed belt or may be an independent belt.

Inasmuch as the cartons in common use, although rectangular, are oblong instead of being square in cross-section and inasmuch as in practice it is found most advantageous to have the cartons travel broadside on in the delivery to and discharge of the carton from the lining mechanism and also inasmuch as it is desirable to fold the wide side of the lining before the narrow sides are folded it becomes important to turn the carton from the broadside position that it occupies when it comes from the delivery belt into a position at right angles thereto,

that is'w-ith the narrow side parallel with V the line of travel with the feed belt in order to properly position it for the lining'mechanism.

One object of the invention is to provide means for thus turning the carton.

Other features of the invention will be mor' particularly set forth in the specification'and claims.

In carrying out the invention a sheet of paper whose width is equal to the greatest length of the blank to be formed for the lining is fed from a continuous roll by a feed which passes it along into engagement with another pair of feed rolls, the blank being severed from the strip between two pairs of feed rolls, the severed blank then being fed forward to a'position beneath the plunger block about which the blank is subsequently folded. The blank is wider thanthe plunger. The blank rests on-supports above two arallel rolls which are spaced apart suificlently. to allow the plunger block to pass down'between them carrying the blank with them, the said parallel rolls being yieldingly mounted so that they may spread slightly apart from each other under the ressure of the plunger block and the projecting ends of the blank rub against said rolls during the descent of the plunger causing the blank to fold up against two 0p,-

posite wide sides of the plunger in U-shape and projecting each side beyond the plunger. 'The rolls for folding are preferable to a non-rotatable square folding edge because a square folding edge is apt to tear the blank, and it is also preferable to have the folders rotatable rather than non-rotatable.

While the plunger is carrying the blank down in the manner above described, two glue rolls which are carried by movable arms and are normally outside of the plun-' ger' are caused to move forward and engage the blank to apply a narrow film of glue on the upper face near both edges of the wings of that. part of the blank which forms one of the upturned legs of the blank, that is the part which is folded on one side of the lunger, the portion of the blank which ol'ds up on the other side of theplunger being unglued. The plun 'er dwells when it has descended farenoug .for the blank to be folded up into the U-shapeagainst the two opposite wide sides ofthe plunger. Mechanism is provided which then moves to fold the two unglued vertical wing portions of the blank horizontally against the two narrow sides of the plunger which are at an angle'to the two wide sides against which the blank was first folded. and then the projecting vertical or wing portions to which the glue has been applied are folded .over outside of the side wing portions first folded. The folding of the vertical side wings forms at the bottom two oppositely projecting horizontal portions folded in triangular form. The plunger again descends and during its descent the said triangular projecting bottom portions are turned u and folded outside of the last folded si e portions, and the plunger then moves down between guides which prevent the folded lining from springing away from the plunger and then actuates mechanism to spread the top closing flaps of the carton out of the way of the plunger and the plunger with the lining then enters the carton Which had been positioned to receive it. A revolving carrier is provided to position the carton and remove them after the lining is inserted. In order that the feed of the paper may be as short as possible it is preferable that the strip of paper be as wide as the greatest length of 'theRblank that is to be used for the lining and inasmuch as it is also preferable to have the lap joints of the folded lining on the narrower sides of the carton rather than on the wider sides it be comes important to swing the carton from its broad side position in which it..is pre: sented by the delivery belt around into a position at right angles to its former'posi tion for the purpose of properly positioning it to receive the lining as well as to move it oif of the continuously moving delivery belt so that it may be stationary while the lining is being inserted.

Another object of the invention is to provide mechanism for stopping the machine if there is any'skip in the proper delivery of cartons from the delivery belt to the mechanism for transferring them to the lining mechanism.

. Theinvention will be fully understood from the following description taken in connection with the accompanying drawings,-

5 is a side elevation showing in detail the mechanism for actuating the cutter. Fig. 6 is .a perspective detail of one of the guide Fig. 4 is a plates for actuating the paper blank while 1t is being carried by the feed tapes. Fig-7 is a side elevation enlarged showing the method of driving the paper feed rolls. Fig. 8 is a plan of the flap folding mechanism which is below the platen. Fig. 9 is a sectional elevation showin themechanism for folding the side flaps. ig. 10 is a verticalsectional elevation showing'the guides for the plunger in the latter part of its descent and the mechanism for spreading the top flaps of the cartons. Fig. 11 is a plan view of the guide mechanism shown in Fig. 10. ig. 12 is an elevation enlarged showing the gluing mechanism. Fig. 13 is a section elevation showing the mechanism for actuating the glue rolls. Fig. 14 is a section elevation showing the plunger in its passage between the first pair of folding rolls showing the glue roll in engagement with the lining blank. Fig. 15 is a sectional elevation enlarged showing the gate which is for the purpose of checking the advance of the lining blank until the plunger has completed its ascent. Fig. 16 is a detail view showing the lining blank after it has been turned up against two broad sides of the plunger and one pair of the side flaps are folded. Fig. 17 is a view showing the second pair of side flaps folded over the first pair of side flaps. Fig. 18 is a view showing the bottom flaps folded up outside of the outer pair of side flaps. Fig. 19 is aplan of the rotary carrier which positions the boxes to receive the lining and also of the delivering and transferring mechanism for the boxes. Fig. 20 is an enlarged detail View of one of the hinged pockets for the boxes. Fig. 21 is an elevation showing the mechanism for disengaging the clutch to stop the machine unless a box has been delivered to the rotary boxcarrier at the proper station, the clutch being shown disengaged. Fig. 22 is a side elevation showing a portion of the parts shown in Fig. 21 in the position they will be when the clutch is engaged. Fig. 23 is a side elevation enlarged of a portion of the stop mechanism, shown in Fig. 19, for stopping the inachine unless a box is delivered to the box carrier, the box carrier being omitted. Fig. 24 is a sectional elevation of the parts shown in Fig. 23 viewed fromthe right of Fig. 28. Fig. 25 is a plan view of the mechanism for giving the intermittent movement to the boxcarrier. Fig. 26 is a vertical section through the gear which drives the plunger. Fig. 27 is a section on line 27-27 of Fig. 26. Fig. 28 is 'a section on line 2828 of Fig. 26. I

Referring now to the drawings-a long strip of paper 1 from which the lining blanks are cut is run from a roll 2 and passes up through suitable feed and guide mechanisms to a. point where a blank of the suitable length is severed from the strip whencethe severed blank is transferred to the mechanism for shaping the lining. In the form of construction shown for feeding and cutting and transferring the blank the strip passes between a feed roll 3 and a loosely'mounted pressure roll 4 which serves to press the sheet into contact with the feed roll 3 whence it passes between the two flat guides '5, 6, to a position beneath a cutter 7 Said cutter 7 reciprocates vertically so that in its downward stroke it severs that portion of the strip which projects forward beyond the front end. of the guides 5, 6. The speed of the feed is soadjustedthat a suitable r length of the strip will project beyond the eed tapes 10, 11, which respectively run' around the rolls 12, 13. The upper feed tapes 10 also run around a forward roll 14 and the under feed tapes 11 run around the forward roll 15. In order that the forward end of the blank may not sag in its passage from the feed 'rolls 8, 9, to the feed tapes 10, 11, too far to be taken up by the feed tapes,

guides 16 are provided to support the blank,

said guides as shown consistingof a series of rods 16 which pass through grooves 17 in the periphery of the roll 9, see Fig. 3.

The feed rolls 8, 9 are caused to revolve a little more rapidly than the surface speed of the feed roll 3, so as to 'be sure to take up any slack that there might be, ifany, in the paper strip and keep the paper taut. The roll 8 is loosely mounted so that there will not be any undue tension strain on. the paper due to the greater surface rotation of the feed rolls 8, 9, than the surfacespeed of the feed roll 3 in case the paper should be drawn taut before the cutter 7 descends. The loose mounting of the feed roll 8 will allow a slip of the, feed roll 8 to prevent such undue tension -Thesurfac' speed of the rolls 12, 13 and therefore of the feed tapes 10, llfshould be considerably greater than the surface speed of the feed rolls 8, 9, because it is desirable after the blank is once severed to carry it as quickly'as possible to its position beneath the plunger block 18 which serves as the former around which the lining blank is to be folded.

The pressure roll 4 is driven by frictional contact with the roll 8--and *the roll 8 is driven by frictional contact with the roll 9. The means for driving the rolls3 and 9 are as follows :.The roll 3 is mounted on a shaft 19 on which is also mounted a sprocket 20 around which passes a chain 21, said chain 21 passing around a sprocket 22 mounted on shaft 23, thence the chain 21 passes up over a sprocket 24 mounted onshaft- 25 which carries the feed roll 9. On shaft 23'is mounted a gear 26 which in turn engages with a pinion 27 mounted on shaft- 28, said shaft 28 carrying a beveled gear 29 which engages with a beveled gear 30 mounted on shaft 31. Said shaft 31 carries a beveled gear 32 which meshes with a beveled gear 33 on shaft 34. carries a sprocket wheel 35 around which passes a sprocket chain which p. .0: around a sprocket on the driving shaft- Said driving shaft 37 is driven by pulley 38 which receives the power from. a

: suitable source. The sprocket 20 on shaft 19 which carries the feed roll 3 is of a little greater diameter than the sprocket 24 on shaft 25 which carries the feed r0119 thereby giving a greater surface speed to the feed roll 9 than to the feed roll 3. I

The tape rolls 12, 13, 14, 15 may be driven by any suitable mechanism, the. mechanism shown in the drawings being as follows The tape roll 13 is mounted on shaft 265 (see Figs. 3 and 7) on which is mounted also a pulley 266. Roll 15 is mounted on shaft 51 on which is also mounted a pulley 268.

A pulley 269 is mounted on the driving shaft 37.- A belt 270 passes around the pulleys 266, 268 and 269, thus positively driving the tape rolls 13 and 15. Agear 1 wheel mdunted on shaft 265 which carries. the tape roll 13 engages with agear wheel 271 on the shaft which carries the tape roll '12, thus driving the tape roll 12. The tape roll 14 is frictionally driven by the tapes 1 10 which are driven by the roll 12.

Y converging lips will gradually direct the In order to allow for any tendency of the paper blank to slip sidewise after it is delivered to the feed tapes and before it is blank into proper alinement with its position beneath the plunger; The guide plates 272 are preferably adjustable toward and from each other to accommodate blanks of diflerent widths. This adjustment is sefcu'red by providing each guide plate 272 with 'an arm 274 formed with an elongated slot 275 through which passes a bolt 276 which secures the .arm to the platen 53.

The knife 7 preferably has a saw-tooth edge. It is a long blade mounted in a cutter bar 39 which is supported at its ends by the vertical rods 40 which have a vertically reciprocating movement to carry the cutter bar and cutter up and down. The lower end of each rod 40 is pivot-ally connected at 41 with/a. rocking lever 42 made fast on shaft 43, there be' g a rocking lever 42 for each of the rods See Figs. 1,3 and 5. Mounted fast on y e shaft 43 intermediate between the levers 42 is a lever 44 which carries at its forward end a steel block 45 which engages with the periphery of the cam 46 and is held in engagement therewith by .a spring 47, one end of said spring being secured to the lever 44 and the other end of said spring-being made fast to' a stationary support 48/ On the periphery of the camis a cam block T49; which engages with the steel block 45 on the lever 44 once during each rotation of the cam 36 thereby turning the levers 44 and 42 and pulling down the rod 40 thereby also causing the descent of the cutter bar 39 and cutter 7. As soon as the cam block 49 rides past the steel block 45, the s ring 4'7 will pull down the forward end 0 the lever 44 thereby, through the connecting mechanism,

causing the ascent of the cutter bar 3.9. The

cam46. is mounted on shaft 28 so that it is actuated by the same mechanism which actuates the feed rolls and the period of its movement is controlled thereby.

The length of the blank which is severed from the strip will depend upon the rate of rotation of the feed roll 3 which in turn will depend upon the relative diameter of the gear 26 and pinion 27.

The blank 264 is carried by the feed tapes 10, 11, which grip the blank between them into proper position beneath the plunger 18. There is a series of these tapes 10 parallel with each-other which contact with the blank at a sufiicient number of points to properly support it in a flat form, the two tapes which are on either side of the middle of the series being spaced. apart far enough to allow for the passage of the plunger 18 between them and also farenough apart to allow for two rolls 50, 50, inside of said two tapes, said rolls being spaced apart sufficiently to allow the passage of the plunger between .them. See Figs. 2, 3 and 14. I V

In order to maintain the proper tension of the tapes 10 11 either the fdrward or the rear pair of the rolls should be made adjustable toward and from the other, pain;

In the drawings the forward rolls 14, 15 are for this purpose made adjustable. This is accomplished as follows: The lower forward roll 15 is mounted on a shaft 51 which which serves as a positive stop to prevent i thestrain of the tapes pulling the bracket in a direction to slacken the strain on the tapes. By loosening the bolt 55 the bracket 52 may be adjusted to the proper position and then by setting up the bolt 55 the bracket will be clamped in its \adjusted position. The stop screw 56 should be moved back or set up to be always maintainedin contact I with the bracket after the bracket has been adjusted. The forward or back adjustment of the bracket 52 will at the same time adward far enough to move into the path just both rolls 14:, 15. The roll 14 also an independent adjustment with relation to the roll 15 so that the tapes 10 may be adjusted independently of the tapes 11. For this purpose the shaft 58 of the roll 14 is journaled in bearings 59 which are adjustably secured to the bracket 52. The means shown for securing this adjustment is as follows :lhe bearing 59 has a flange foot (30 which rests upon a flange 61 of the bracket 52, and is secured thereto by a clamp screw 62 which passes through an elongated slot 63 in the said flange foot 60, and screws into the flange 61 of the bracket 52. It is obvious therefore that thereby the bearing 59 for the shaft 58 may be adjusted.

It is import-ant that the blank should not be fed forward far enough to strike against the side of the plunger 18 while the plunger is down so as to buckle up against the side of the plunger, nor should it be fed forof the plunger above the top of the plunger when theplunger is at the lower part of its stroke. A movable gate is provided to limit the forward movement of the blank until the plunger makes its return upstroke, so that whenever the blank is fed it will move beneath the plunger. See Figs. 1 and 15. It is important that this gate mechanism should be controlled by the movement of the plunger so that itwill be released at the proper time when the plunger makes its ascent and also set at the proper time when the plunger makes its descent. The means shown is as follows, (see Figs. 1 and 15:) Journaled in suitable bearing 64 is a rockshaft 65 which extends transversely in a horizontal position above the path of move ment of the blank at some distance before the blank reaches the path of travel of.the plunger 18. Said rock shaft has secured to .its periphery a series of arms or pins 66 which are adapted to extend down between the tapes 10 so as to form a stop against which the advance edge of the blank will strike if the blank has been carried forward to that point while the pins are in that position. Rigidly projecting from said rock-shaft 65 is an arm 67 whose other end is pivotally connected with the connecting rod 68 which extends vertically upward passing loosely through a guide 69. The rod 68 is movable up and down to'rock the shaft 65 and thereby raise the pins 66 out 0;"? the path of the blank or to depress them into their operative position. A spring 70 coiled around the connecting rod 68 is seated upon a collar 71, the upper end of the spring bearing against the guide 69. Preferably the collar 71 is adjustable on the rod 68 so as to vary the tension of the spring 70. The tension of the spring is such that it normally, holds the connecting rod 68 in its lowermost position whereby the pins 66 are in their downward position between the tapes 10. Secured to the rod 66 is a finger 72 which projects into the path of the plunger 18' over the top thereof so that when the plunger rises it will engage the finger 7 2 and thereby liftthe connecting rod 68 and turn the rock shaft 65 so as to raise the pins 66 out of, their stop position and will hold them in this elevated position until the plunger descends. When the plunger descends the expansion of the spring 7 0 will move the rod 68 downward thereby moving the stop'pins down into their operative position. In the meantime, however, after the plunger has'moved the connecting rod upward so-as to release the stop pins from operative position the continuous feed movement of the tapes will have carried the blank forward completely out from under the stop pin 66' into position beneath the plunger 18. These stop pins 66 will be positioned 'far enough away from the path of travel of the plunger so that there will be sufficient space between the pins and the path of travel of the plunger for the rearwardly extending port-ion of the positioned blank which is afterward to form one of the upright walls of the lining.

The lining blank is to be folded about the plunger 18 and carried by the plunger '18 into the carton. This folding operation is performed at successive stages in the descent of the plunger. The mechanism for reciproeating the plunger is as follows, (see Figs. 1 and 2:) Rising from the top of the plunger 18 and rigidly connected therewith is a rack 73 which passes up through a guide 7 1. The teeth of the rack 7 3 mesh with the teeth of the gear 75, mounted on a shaft 76 on which also is niounted a pinion 77, said pinion 77 meshing with a rocking gear segment 78 mounted on a stud or rocker shaft 79. Said stud 79 is journaled in a bearing 80. Projecting from the side of the gear segment is a stud on which ismounted a roll 81 which engageswith a cam groove 82 in the side of a cam 83. Said cam 83 is mounted on a shaft 84: which carries a, gear 85, said gear 85 engaging with a p1n1on 246, on the driving shaft 37. Thusthrough the connecting gearing the cam 83 is rotated by the driving shaft. The form of the campath 82 is such that the gear segment 7 8 w1ll be given a rocking movement thereby glvmg to the pinion 77 a rotary movement, first 1none direct-ion andthen in the other, and through the connecting intermediate gear giving to the rack 73 alternately an up and down movement. The form of the cam path 82, however is such that during each rotation of the cam there will be a dwell 'of the rack and therefore of the plunger at some part of its descent. In order to counterbalance the weight of the rack 73 and plunger block 18 so that they may be moved up with'the least resistance, there is provided a counterweight 242 suspended from a belt 243which runs over a pulley 244 and thence over a curved flange'245 on the face of the 8\ gear segment 78, the end of the belt bein made fast\to the flange.

As previously stated the rolls 50 are loca'ted on alevel with each other just below 7 the level of the tapes 10, and the plunger 10 18 passes down between them. It is preferable that the rolls should be mounted in yielding bearings so that they may be spread laterally apart from each. other and that normallythe space between them should be n little less than the thickness-of the plun-- ger so that they will have to be spread apart for the passage of the plunger. The means shown for so mounting the rolls 50, 50, is asmost outward position which is allowed by the stop pin ,91 so that the two rolls 50 are thus held normally in their most proximate relation to each other. The blank for the lining, as previously stated, lies on the tapes 10,10, centrally over the space between the rolls 50. When the plunger descends its bottom engages the lining blank and carries the engaged port-ion down between the rolls 50 which yield slightly to allow the descent 40 of the plunger.. See Fig. 14. 'Byreason of the engagement of the rolls with the blank,

the blank will be turned up against the two opposite sides of the plunger substantially U-shape, the two turned-up portions being as yet in flattened form although standing vertically and being wider than the plunger 1 so that the upturned portions extendin both sides beyond the plunger. In Fig. 14 the lunger'is shown as having only partially completed its descent, the blank being partially folded. The plunger with the blank this turned up against its two opposite sides will descend, passing down between two vertical flat guide plates 93 (see Figs. 1 and 8.) These guide plates 93 should be close enough together to form a close fit for the plunger and turned-up lining blank so as to keep the blank folded flat against the sides of the plunger. Preferably these guide plates 93' are yieldingly mounted so that they may be spread slightly and their upper ends should preferably fiare slightly so as to easily admit the lower ends of the plunger-with the lining. The means shown for yieldingly. mounting the guide plates 93 is as follows,

which the (see Figs l and 8:) Secured. to each guide plate is a series of studs 94 which pass loosely through the vertical brackets 95 andare normally held in their most proximate position with relation to each other by springs 96, the springs yielding under pressure to allow the guide plates to be spread apart. The brackets are preferably made adjustable toward and from each other so a as to get an. adjustment for plungers of varying size to adapt them for use with cartons of varying sizes. The means for adjusting the. brackets is as follows :-Each bracket 95 is formed with a horizontal base portion 97 having an elongated slot 98 through which passes a clamp screw 99 by which the-base of the bracket isclamped to a block 100. Said block 100 is clamped to a' tie rod 101 by clamp screw 102. After the lunger with the lining thus folded against 1ts sides has passed down between the guide plates 93 it comes to a dwell by reason of the form of the cam path 82 while it is still embraced between said guide plates 93 and remains in a stationary position while certain folding mechanism comes into operation to fold the v rtical side wings previously described against the other two vertical sides of the plunger which are at right angles to the two vertical sides against 95 blank was first folded. If the plunger is of oblong form in crossseetion it is preferable to have the blank first folded against the ;two wide faces or sides and the second folding operation against the two narrow sides or faces and in describing the construction and operation it is assumed that the blank has just been folded upon the two wide faces. (See Figs. v 16, 17 and 18). The blank is of suflicie'nt width so that each of the two fiat uprightportions e, f, formed by the first step in the folding projects on each side beyond the edge of the wide face of the plunger and the bottom portion 9 of the blank will extend laterally'beyond the edges of the bottom of the plunger. These laterally projecting upright portions e, f, are for convenience termed side flaps or wings and the next step in the operation is to fold these side flaps against the narrow sides of the plunger. Each of these side flaps e, f, is preferably of suflicientwidth to cover nearly the full narrow face of the plunger, or at least to extend more than half way across so that the two flaps that are folded upon the same narrow side will overlap each other. It is therefore necessary in such case that one of each pair. of said side flaps. shall'be folded slightly in advance of the other although the corresponding flaps for the two narrow sides may be folded simultaneously. The means for folding these side flaps will now be described. (See Figs. 1, 8 and 9.)

, Inasmuch as the two folding mechanisms which fold corresponding portions of the flap on each of the two narrow sides are exactly alike except that one is right-handed and theother is left-handed and inasmuch as they move simultaneously the same numere-ls Wlll be given to corresponding parts of each pair. A rocker-shaft 103 is journaled in bearlugs 10% supported by the side bars 10:) whlch form a part of the frame. Made fast to said rocker-shaft 103 are the two upright arms 106. Pivoted on the tie-rod 101 are two upright arms 107. A link 108 is pivot ally connected at 109 with each of the upright arms 106 and is also pivotally connected at 110 with the uprightarm 107. A.

vertical folder-plate 111 is rigidly secured to each of the links 108 as byrivets 112 or other suitable means and is provided with in Fig. 16.

a horizontal foot 113. Means are provided for rocking the shaft 103 thereby rocking the arm 106 and through the link 108 also rocking the arm107 causing the folderplate 11.1 which is rigidly connected with the link 108 to move in a vertical plane in the arc of a circle, the folder-plate being always in the vertical position so that when it rocks from the.position shown in Fig. 9, which is its most upright position, it will move toward the opposite folder-plate 127, and at the same time move downward. When it moves forward it will engage the distending side flap 6 of the blank and fold it against the narrow side of the plunger and will sweep down at the same time until the foot 113 engages the horizontally projecting flap 9 of the blank which projects out from under the bottom of the plunger pressing it down upon the plate 114: which is about on a level with the bottom of the plunger and supports the horizontally distending flap g of the blank. This not only folds the upright flap c of the blank against the narrow side of the plunger but also creases the horizontal bottom flap 9 as shown The means for rocking shaft 103 is as follows z-An-arm 115 ismade fast at one end to the shaft 103 and its other end is pivotally connected with one end of the rod 116. Theother end' of the rod 116 is forked and straddles shaft 31. Projecting from the connecting rod 116 is a stud carrying a roll 117 which engages with the periphery 'of the cam 118. The shape of the periphery of the cam is such as to cause the rod 116 to vibrate back and forth once in each direction during each rotation of the cam thereby causing the folding plate 111 to move forward and back once at each rotation. The roller 117 is held in constant engagement with the cam by a spring 119.

After the two corresponding side flaps c, e,

the other pair of narrow side flaps f, f, are folded outside of the narrow side flaps e, 6, ust previously folded. (See Fig. 17.) The mechanism for doing this is as follows, there being two sets for the two corresponding flaps exactly alike except one being righthanded and one being left-handed. Two upright arms 120 are each made fast at their lower ends to a rocker-shaft 121, said rockershaft being journaled at its opposite ends in bearings 122. mounted on the supporting bars 105 of the frame and two upright arms 123 are pivoted at their lower ends to one of the rods 101. A link 1241 is pivotally connected at 125 with upright arm 1.20 and is also pivotally connected at 126 with the upright arm 123. Rigidly attached to the link plate 127 sweeps forward and down in the V are of a circle in the same manner as the folder-plate 111 moves, being always maintained in a vertical plane. As the two plates 127 ve forward they engage the laterally extending vertical side flaps f, f, of the blank on the opposite side of the plunger to those previously folded and fold them outside of the previously folded narrow side flaps e, e, as shown in Fig. 17. Each of the two horizontal laterally extending bottom flaps is now folded into a horizontal triangular form as shown in Fig.1? but are not yet turned up against the side of the plunger.

The means for rocking the shaft 121 so as to actuate the folder-plate 127 are as follows, (see Figs. 1,' 8 and 9:) An arrn\ 129 is made fast at one end to the rocker-shaft 121 and at its other end it is pivotally connected with one end of a connecting rod 130, the other end of said connecting rod being pivotally connected with one end of a rockerlever 131. The other end of said rockerlever 131 from that to which the rod 130 is connected is pivotally connected with a connecting rod 132 whose upper end is forked and straddles the shaft 31. A roll 133 mounted on a stud projecting from the convnecting rod 132 engages with the periphery of a cam 134 mounted on shaft 31 whereby the connecting rod 132 is rocked back and forth once during each rotation of the cam and shaft 31. A spring 135 connected at one end with the rod 132 and at its other end with the rocker-arm 131 holds the roller 133 in constant engagement with the cam 13 1.

The upright arm 107 has at its lower end a horizontal arm 136 which terminates in a downwardly extending fork 137- -which straddles the ends of a hub 138 on the end of a bent bracket 139. One of the rods 101 passes loosely through the legs 5f the fork 137 and through the hub 138 which is between the legs of the fork. The other end of the bracket 139 is alsoforked and the shaft 103 passes loosely through the legs of the fork. Said two legs of the fork at the end of the bracket 139 straddle the upright arm 106 and the hub of said u right arm as shown inFig. 8. By reason 0 the fact that the arm 106 is fast on the rod 103, the bracket 139 whose fork 140 atone end embraces the lever v106 is revented from sliding movement longitudinally of the rod 103 and inasmuch as the fork 137 embraces the hub 138 of tlnemarm 136 connected with the upright arm 7, the upright arm 107 is maintained in constant relative position to the arm 10.6. If desired the arm 106 may any suitable means as by a set-screw so that the arm 106 may be adjusted longitudinally of the arm 103 and in that way the arm 107 I will also be correspondingly adjusted. The

purpose of such adjustment would be to accommodate the mechanism to plungers of varying thickness.

In order to maintain the upright arms 120 and 123 in constant posit-ion with relation to each other, means similar to that just described in connection with upright arms 106 and 107 are employed. As the meghanism is similar to that just described '1 is not deemed necessary to describe it in detail but it is shown in the drawings.

The foot 113 of each folder-plate 111 is in a horizontal plane while the folder-plates 111 are in vertical planes.

The narrow side flaps having been folded in the manner described while the plunger is at rest during a dwell occasioned by the form of the cam path 82, the continued rota- ,tion of the cam carries the plunger farther downward. During this farther descent of 'the plunger the horizontal triangular folded bottom flaps are folded up outside of the previously folded narrow side flaps as shown "in Fig, 18. The means for accomplishing this are as follows, (see Fig. 8:)Two parallel rollers 142 are yieldingly mountedon plates 114 in such mannerthat they may be spread apart in a similar manner to the folding rollers 50. These two rollers 142 are normally spaced apart so that when the plunger with the lining blank wrapped about it passes down between them the horizong tally distending triangularfolds of the flaps previously mentioned will be engaged and folded up on the outside of the previously folded narrow side flaps, the rollers being spread apart slightly as the plunger moves down between them. The rollers 142 are journaled in bearings each having a stem 143 which passes through a hole in an extension of the plate 114'and are provided with springs 144 whichnormally hold the from a setting up machine to the above mechanism for inserting the lining and also -i.n"connection with a machine for filling the cartons after they are lined. The drawings illustratesuitable mechanism for delivering the set up carton to mechanism for positioning it to receive the lining from the plunger and for then transferring the carton to the filling mechanism. The setting 'up mechanism and the filling mechanism are omitted from the drawings but there are shown the means for delivering the carton and positioning it'and then for transferring it.

' A continuously driven-belt 146 serves to bring. thecarton from the setting up mechanisin and presenting it to.a rotary carrying mechanism'or spider 147 which takes the carton and carries it around to a position beneath the plunger block and after it has received the lining the further rotation of the spider carries the lined carton around to again deposit it o the belt 146 on the opposite side from th entrance end whence it is lows, (see Figs. 1,19 and 25:) The lower end a of said shaft 148 is stepped in a bracket 149 and the upper end is journaled in a bearing in bracket 1 50. Mounted fast on said shaft 148 is a disk 151 which has formed in its periphery four notches 152 at equal intervals carried to the filling mechanism or other H apart. Projecting from the surface of the i said disk 151 are four pins 153 each provided with a roller 154 which at a certain point inthe rotation of the disk is adapted I to'be engaged by the hook'end of a connectjing rod 155. The other end of said connecting rod 155 is pivoted at 156 -to a cam lever 157. Said cam lever 157 is pivoted at one end to fa stud 158 projecting from the bracket 150. Mounted on said lever 157 intermediate its ends is a roller 159'which engages a cam 160. Said cam 160 is mounted on rotary shaft 34. Said cam 160 is so formed that at each rotation its engagement with the roller 159 causes the lever 157 to make a full swing forward and back and in so doing gives to the connecting rod 155 a full stroke forward and back. When the said connecting rod 155 moves forward its hook end which engages with one of the rolls 153 on the disk 151 pushes the disk 151 around a quarter turn. A spring 161 is made fast at one end to a bracket 150 and is connected at its other end to said connecting rod 155, the eflect of said spring beingto always retain the roller 159 in contact with the cam 160 and also to hold the connecting rod 155 in position for its hook end to engage with one of the rolls on disk 151 at the proper time. By reason of the pressure of the spring 161 when the cam 160 continues its rotation after the disk 151 has made its quarter turn the connecting rod 155 will be drawn back into position for the next feeding movement.

Means are provided to positively lock the disk 151 at the end of each quarter turn, said lock being afterward released to permit the next movement at the proper time.

Said locking means as shown is as follows :'A lever 162 is pivoted at 163 to the bracket 150 and is formed with a toot-h 164 which is adapted to engage successively with the notches 152 in the disk 151. A spring 165 is connected at one'end with the lever 162 and is connected at its other end with a rod 166 which in turn is connected with the bracket 150. Said spring 165 holds the lever 162 in position where the tooth 164 is either in one of the notches 152 or is adapted to snap into one ofsaid notches whenever the disk rotates to bring one of the notches into alinement with the tooth and it is so positioned as to make such engagement just at the end of the forward stroke of the connecting rod 155 when it moves the disk 151.

It is important to have the locking tooth 164 disengaged from the notch just before each forward movement of the connecting rod 155. The means shown are as follows:

A cam 167 is mounted on shaft 34 and is adapted to engage a roll 168 carried by the lever 162 to turn the lever in a direction to disengage the tooth 164 from the notch 152 at the proper time in the sequence of movements of the parts with relation to the forward stroke of the connecting rod 155.

The mechanism for transferring the unlined carton into position beneath the plunger to receive the lining is as follows, see Figs 1 and 19: The spider 147 is formed with four rotating arms 169 equal distances apart, each of which carries a bracket 170 adjustably attached thereto in such manner that it may be adjusted radially in and out. On the outer end of each of said brackets is mounted a curved rail 171 curved. in the arc of a circle so that when the four brackets 170 are adjusted radially the same distance from the center the four curved rails 171 will all form arcs in the sameipircle. Projecting radially from the said spider 147 are four other arms 172 located alternately with the arms 169. and midway between each pair of arms 169, said arms 172 being also radially adjustable with relation to the center of the spider 147. A rightangled plate 173 is made fast to the outer end of each arm 172, one arm of said plate 173 extending outward toward the circumference of the circle formed by the rails 171 to formone side of a pocket to receive the carton and the other side of said rightangled plate 173 forming the back of the pocket. A plate 174 is hinged at 17 5 to the back portion of the plate 173 so as to form another side of the pocket, said plate 174 being hinged so that it may be spread open to form a wider mouth for the entrance of the carton into the pocket. A spring 267 around the hinge pin 175 see Fig. 20) normally retains the hinge plate 174 in a closed position. A curved finger 176 projects from the hinged plate 174 and its heel is adapted to be engaged by the heel of the cam finger 177 projecting from the bracket 178 which is fast to the platen 179. This cam finger 1'7 7 is located so as to engage the finger 176 of each pocket just as the pocket is brought to a position of rest over the belt 146 at the entrance point for the carton, this station being marked a. Fig. 19. In so doing the hinged plate 174 is turned so as to spread it away from the side of the pocket formed by the plate 173. Said bracket 178 is formed with a curved slot 180 through which passes a bolt 181'which clamps the bracket in its adjusted position, the curved slot allowing the adjustment of the bracket when the brackets 170 are moved in and out for different size packages. While the spider is in the position of rest one of the cartons on the continuously traveling belts 146 will be carried forward into the pocket and then when the spider begins to turn and the tinger 176 rides out of engagement with the cam finger 177, the spring 267 on the hingepin 175 of the hinged plate 174 will cause the hinge plate to move so as to grip the carton tightly, against the opposite side of the pocket and hold the carton in squaredup shape when the spider moves, the bottom of the carton sliding along the platen 179 after it is carried away from the belt 146, said belt 146 being just above the platen 179. When the spider has made a quarter rotation so as to bring the carton around into the next point of rest or station 7) it is in position beneath the plunger and 'ready to receive the plunger with the lining wrapped around the plunger. It comes into this position during the movement of the plunger so as to be there in time to receive the plunger.

After the lining has been fully wrapped around the plunger it passes between guides to keep the lining from springing away from the plunger before it enters the car ton. The guide mechanism shown is as follows, (see Figs. 1, 10, and 11:) A supporting bracket 182 rises from the base of the machine and supports at its upper end two parallel arms 183 which are adjustable toward and from each other. Suitably mounted on each of the arms 183 are two blocks 184. Each block 184 has secured thereto a ger.

right-angled guide plate 185 both branches of each plate standing in vertical planes at right angles to each other. The four guide plates form a skeleton guide for the plun- The two blocks 184 on each arm 183 are movable toward and from each other to adapt them to plungers of difl'erent widths by sliding them on the arms 183 and they are then clamped in their adjusted position by the clamp screws 186. The guide plates 185 are also adjustable toward and from each other to accommodate cartons of different thicknesses by sliding the arms 183 on the bracket 182.

The cartons are usually formed with flaps at the upper end for the purpose of closing the top of the flap after the, package has been filled. These flaps are le in an .up- .wardly extending-position when he carton comes from the setting up machine and until they have passed through the lining machine and have been filled by the filling machines; It is desirable to have some means for slightly spreading the top flaps before the entrance of the plunger and 11ning into the carton-so that the flaps will not be engaged by the plunger in its descent which would tend to turn .theflaps down into the carton. As the cartons are usually constructed two of these top flaps are wider than the other two and are the ones which are most likely to cause the interference. It is'not usually necessary to provide this flap spreading mechanism for any except the two wider flaps. The mechanism shown in the drawings for this purpose is as follows, see Figs. 1 and 10:) A block 187 is secured to the outer face of each of two opposite. guide plates 185 and a bearing 188 is secured to eachof said blocks 187 1n 'such curedto saidshaft 190 is an arm 192 to the.

free end of which is secured one end of a spring 193, the other'end of said spring befinger 191 which extends into the.

ing secured to the bearing 188, the purpose of the springs being to retain thejfingers 191 in the position shown 1n Fig. 10 extending into the path of the plunger. A stop pin 194 engages the upper side of the arm 192 to limitthe upward pull of the said arm 192 and of the fingers 191. When the plunger with the lining carried thereon descends it engages the inwardly extending fingers and turns them down thereby turning the rock-shaft 190 and expanding the springs 193 and the curved ends of said fingers 191 will engage the inner faces of two opposite upwardly extending flaps 195 of the carton spreading them slightly outward so as to be clearly out of the way of the 'plunger in its descent into the carton. When the plunger rises the rounded ends of the fingers will allow it to ride u between the fingers without undue inter erence. Sometimes when the plunger is withdrawn from the carton the lining clings so closely to the plunger that the plunger has atendency to withdraw the' lining with it instead of leaving itdeposited in the carton. Whenever there is any such tendency the fingers 191 will engage the upperend of the lining and hold it from being withdrawn. After the plunger has fully withdrawn from between the fingers 191 the springs 193 will pull the rocking arms 192 and the fingers 191 again into the operative position shown in Fig. 10 for engaging the plunger on its next descent.

After the lining has been inserted while the carton is at the station I) and the plunger has withdrawn to its uppermost position the spider will make another quarter turn car,- rying the carton with the inclos'ed lining around to the third station indicated by 0 onto the belt 146 which is on the same level as the top of the platen 179. It is important that the gripping of the pocket upon the V carton shall be releawd at least as soon as the carton reaches the belt so that the carton will be left free to be carried 011' by the belt. For this purposemechanism is rovided between station I) and station 0 s1mi-' lar tothat which opened the hinged side at station a. 7 1

A bracket 196 secured to the platen 179 and formed with an elongated slot 197 and having a clamping bolt 198 carries a curved finger 199 whose heel is engaged by the heel of the finger 176 projecting from the hinged plate-174 to swing open the hinged plate and thereby free the carton. At the next succeeding movement of the spider when the finger 176 rides voii' of the finger l99,-th e spring connected with the hinge will close the hinge plate in the 'manner previously described, andit will remain closed through the succeeding station (Z and until it comes around the station a.

Occasionally it may happen that the car;

ton by the time it comes around to the po- .the time it was received into thepocket at station a or by being disarranged at some time subsequently before it reaches station 6, so that there is not a clear entrance for the plunger, or it maV be that the flaps have not been properly spread by the fingers 191 or it may happen that for some reason the disk 151 fails to make an exact quarter turn by turning either too far or too short, or otherwise failed to move the spider so as to bring the carton intoproper alineme'nt wit-h the plunger, and therefore the plunger in its descent will strike the topofthe carton or descend at one side of the carton and strike thel spider, or the lining upon the plunger may have some projecting portions which would engage with the top of the carton so as to interfere with the proper introduction of the lining, or some other imperfect working of the machine .might occur to make an obstruction to the proper descent of the plunger with the lining in perfect condition into the carton. Means are provided to form an elastic take-up for the plunger so that in case of such obstruction the plunger will stop its descent while the driving mechanism continues to move. This is done by providing means whereby in case of such obstruction the gear 7 5 and the rack 73 will be brought to a stand still while the pinion 77 and gear segment 78 moved to the full end of their stroke in the direction for causing the descent of the rack and plunger. The means shown are as follows, (see Figs. 19,- 26 and 27:)

Shaft 76 is journaled in bearings 201. Mounted fast on said shaft is a disk 202 formed'with avhub 203. The gear 75 is loosely mounted on said hub 203 and is formed with a chamber 204 in to which a pin 205 projects from the disk 202. A clocp spring 207 is made fast to said pin 205 and at its other end it is made fast at 208 to the hub of the gear. The tension of this clock spring 207 is such that when the shaft 76 revolves motion will be transmitted through the spring 207 to the gear 75; the

tension of the spring being strong enough so that under normal conditions the resistance given by the rack 78 and the plunger will not prevent the proper transmission of the force to carry the rack and plunger down. If, however, the plunger strikes any obstruction, such for instance as caused in any of the ways already described, the shaft 76 and gear segment 78 will continue to move and instead of the gear 75 being moved the effect will be to wind up tighter the clock spring, while the gear 75 stops its rotation. The gear 75;. and the plunger Will be brought to a stop in this way yieldingly instead of by a sharp stop and will'allow the shaft 76 and the gear segment 78 to move onto the end of their stroke on the return movement of the shaft 76 and the gear segmento78 and the clock spring 207 will unwind without moving the rack 73 until the shaft comes back to the point where the rack and plunger were brought to a standstill and then the continued backward movement of the shaft 76 will raise the rack 73 and the plunger.

A block 209 is secured to the face of the gear 75 and a stopscrew 21.0 is adjustably mounted in said block 209. Said disk 202 is formed with a projection 211 which engages with the end of the stop screw 210 whereby the rotation of the disk 202 causes the rotation of the gear 75. 'The purpose of making the-screw 210 adjust-able is to vary the relation of the disk 202 to the gear 75 in order to vary the stopping point of the lower end of the block at its points of rest, that is, there will be a constant length of stroke of the plungerand constant distance between the stopping points of the plunger but the actual point-s of stopping will be varied. v

It is important to provide means for sto ping the machine 'if there is not a carton in proper position to receive the plunger and lining when the plunger descends. If a carton is delivered properly to the pocket of the spider at the station a there is practi cally no doubt at all that in the ordinary operation of the machine the carton will continue to be in the pocket properly positioned when it reaches the station 6 unless there has 1 been some failure tobring the spider to a standstill to properly alinethe carton with the plunger, in which case the descent of the plunger willbe arrested in the manner already described. Means are therefore provided to.stop the machine unless a carton is properly entered into the pocket at the station a. The means providedare as follows, (see Figs. 1. 2, 1.9, 21, 22, 23 and 24:). An arm 212 is pivoted on two vertically opposing pins 213 so as to swing horizontally. Said pins are mounted fast in the arms of a bracket 261 which is mounted on tie-rod 262 which is a part of the frame of the machine. One end of the said arm 212 eXtends transversely of the belt 146 just above the belt 146 and beneath the pocket formed by the plates 173, 174 so that when a carton carried by the belt is moved into the pocket it will engage the said arm 212 and turn it on its pivot. The other end. of said arm 212 is provided with a pin 21% which extends beneath a pin 215 which projects from the hub 216 of the arm 217. A rod' 218 is pivotally connected at its lower end with said arm 217 and at its upper end it is pivotally connected with an arm 219 made fast to a rocking shaft 220 having its bearing in a bracket 221. Car 

